Question : If 30% of a = b, then b% of 50 is the same as:

Option 1: 5% of a

Option 2: 10% of a

Option 3: 15% of a

Option 4: 12% of a

Question : If p : q : r = 2 : 5 : 3 and r : s = 6 : 5, then what is the value of p : q : r : s?

Option 1: 4 : 12 : 7 : 3

Option 2: 4 : 10 : 6 : 5

Option 3: 6 : 5 : 8 : 10

Option 4: 8 : 12 : 7 : 8

Question : If $A: B: C=2: 3: 5$, then what is the value of $(A+B):(B+C):(C+A)$?

Option 1: 8 : 15 : 14

Option 2: 5 : 8 : 7

Option 3: 6 : 9 : 14

Option 4: 9 : 10 : 12

Question : The speeds of the three cars are in the ratio of 1 : 3 : 5. The ratio of the time taken by these cars to travel the same distance is:

Option 1: 3 : 5 : 15

Option 2: 15 : 3 : 5

Option 3: 15 : 5 : 3

Option 4: 5 : 3 : 15

Question : If $A=\frac{2}{3}+\frac{4}{7}$ of $\frac{14}{12}$ and $B=\frac{5}{12}$ of $\frac{7}{15} \times \frac{36}{21}$, then what is the value of $A + B$?

Option 1: $\frac{5}{3}$

Option 2: $2$

Option 3: $\frac{4}{3}$

Option 4: $\frac{2}{3}$

Question : Find the ratio of the LCM of 44, 10, and 5 to the HCF of 50 and 75.

Option 1: 15 : 2

Option 2: 45 : 7

Option 3: 50 : 3

Option 4: 44 : 5